#box_tabMenu {
    position: relative;
    font-size: 0.8em;
}
@media only screen and (min-width : 769px) {
    #box_tabMenu {
        width:60%;
        float:right;
        font-size: var(--fs_n);
    }
}
#box_tabMenu .list_menu {
    width: 90%;
    margin: 0 auto;
    border: 1px solid #6c757d;
    border-radius: 0.25em;
    background: #ffffff;
}

@media only screen and (min-width : 769px) {
    #box_tabMenu .list_menu {
        margin-bottom: 1em;
    }
}

#box_tabMenu .li_menu {
    width: auto;
    border-right: 1px solid #6c757d;
    color: #6c757d;
}

#box_tabMenu .li_menu:last-child {
    border-right: 0;
}

#box_tabMenu .li_menu03 {
    -webkit-box-flex: 1;
    -ms-flex-positive: 1;
    flex-grow: 1;
}

#box_tabMenu .li_menu {
    -webkit-box-flex: 3;
    -ms-flex-positive: 3;
    flex-grow: 3;
}

#box_tabMenu .li_menu .btn {
    display: block;
}

#box_tabMenu .li_menu .txt {
    display: block;
    line-height: 1.8em;
    width: 100%;
    text-align: center;
}
@media only screen and (min-width : 769px) {
    #box_tabMenu .li_menu .txt {
        line-height: 2em;
    }
}

#box_tabMenu .li--on .btn,
#box_tabMenu .li_menu .btn:hover,
#box_tabMenu .li_menu .btn:focus {
    background: #545b62;
    color: #ffffff;
}